ISO 7834:1987

Iron ores — Determination of arsenic content — Molybdenum blue spectrophotometric method ISO 7834:1987

Publication date:   Dec 17, 1987

Scope

The method ist applicable to a concentration range of 0,0001 to 0,1 % (m/m) (1 bis 1000 /g) of arsenic in natural iron ores, and iron ore concentrates and agglomerates including sinter products. Specifies principle, reagents, apparatus, sampling and samples, procedure, expression of results, and test report. Includes three annexes. A figure shows the arsenic distillation apparatus.